Center of Gravity

Center of Gravity PDF Author: Shaunta Grimes
Publisher: Feiwel & Friends
ISBN: 1250191874
Category : Juvenile Fiction
Languages : en
Pages : 240

Book Description
In Shaunta Grimes' middle-grade novel Center of Gravity, a girl loses her mom, and her dad remarries quickly, so she must rebuild her life and friendships. Tessa is an anxious person, but it's become worse since her mother died a few months ago. To calm herself down she cuts out photos of missing kids—from milk cartons—and keeps them in a file. It helps her feel like she's not alone. When her dad announces suddenly that he's getting married—and that they're moving, Tessa must navigate new friendships and a new stepmother. She knows she should let go of old habits, but that's easier said than done. Her struggle is one that many readers will understand.

Centers of Gravity

Centers of Gravity PDF Author: Marko Kloos
Publisher: Frontlines
ISBN: 9781542032810
Category : Fiction
Languages : en
Pages : 332

Book Description
Stranded light-years from home, Major Andrew Grayson and his crew are on a desperate mission to discover the Lankies' secrets. They can't let what they've found die with them. Nine hundred light-years from home, Major Andrew Grayson and the crew of NACS Washington are marooned in a sunless system with limited water, reactor fuel, and food. The last hope for survival is to go where nothing human has gone before. After embarking on a scouting mission to the only moon with surface signs of life, Andrew and his Special Tactics Team make two startling discoveries. One is a dream: a form of protein and plant life that could save the starving humans in the rogue system. The second is a nightmare: this harvested rock is infested with Lankies. Far from the seemingly mindless aggressors Andrew has battled for years, these show a terrifying awareness, and they have surprising secrets of their own hidden away in the darkness. When the Lankies sense an uninvited presence in their world, Andrew's operation becomes an expedition to hell. The odds against his small crew are stacked high. Of all the mysteries of space, how to escape with their lives is the greatest unknown of all.

Body Physics

Body Physics PDF Author: Lawrence Davis
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 590

Book Description
"Body Physics was designed to meet the objectives of a one-term high school or freshman level course in physical science, typically designed to provide non-science majors and undeclared students with exposure to the most basic principles in physics while fulfilling a science-with-lab core requirement. The content level is aimed at students taking their first college science course, whether or not they are planning to major in science. However, with minor supplementation by other resources, such as OpenStax College Physics, this textbook could easily be used as the primary resource in 200-level introductory courses. Chapters that may be more appropriate for physics courses than for general science courses are noted with an asterisk symbol (*). Of course this textbook could be used to supplement other primary resources in any physics course covering mechanics and thermodynamics"--Textbook Web page.

Center of Gravity Limitations

Center of Gravity Limitations PDF Author: محمد حسان السقا
Publisher: كراكيب بالعربي
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 63

Book Description
Development of the Weight versus Moment C.G. Grid

Determination of Centers of Gravity of Children, Sitting and Standing

Determination of Centers of Gravity of Children, Sitting and Standing PDF Author: John J. Swearingen
Publisher:
ISBN:
Category : Center of mass
Languages : en
Pages : 24

Book Description
There have been numerous instances in which small children have been thrown out over the top of the seat belt in rough air and airline crashes, indicating that the present seat belt is not a satisfactory restraint device for children 2 to 10 years old. Data defining the location of the center of gravity of children of different ages in the sitting position have not been available and are urgently needed to serve as a basis for developing an improved restraint system for children. To supply these data for design requirements approximately 1,200 children (ages 5 to 18) were balanced on a specially designed center-of- gravity machine in sitting and standing positions. The center of gravity of small children in the standing position will be most useful in the design of flotation equipment. This study shows that the center of gravity for small children sitting in an airline seat is located roughly 5 in. above the seat belt and explains why children slip out over the seat belt during crash decelerations. Complete data of location of centers of gravity along with anthropometric data of the children studied are presented.

Determination of Centers of Gravity of Man

Determination of Centers of Gravity of Man PDF Author: John J. Swearingen
Publisher:
ISBN:
Category : Anthropometry
Languages : en
Pages : 44

Book Description
"Data are presented concerning the location of the center of gravity of the adult male in various body positions and the ability to shift the c.g. voluntarily with various body motions. Maximum possible shifts of the c.g. from that of an erect standing posture were found to be 11 1/2 inches toward the head, 10 inches toward the feet, 8 inches anteriorly, 4 1/2 inches posteriorly and 4 1/2 inches laterally."--Abstract.

Operational Logic And Identifying Soviet Operational Centers Of Gravity During Operation Barbarossa, 1941

Operational Logic And Identifying Soviet Operational Centers Of Gravity During Operation Barbarossa, 1941 PDF Author: Major David J. Bongi
Publisher: Pickle Partners Publishing
ISBN: 1786254042
Category : History
Languages : en
Pages : 66

Book Description
This monograph examines Soviet operational centers of gravity during Operation Barbarossa, the German invasion of the Soviet Union in 1941. Specifically, the examination focuses in two areas: (1) German planning for Operation Barbarossa; (2) the operational objectives selected for the second phase of the campaign. The second phase was selected because it was during this phase that the focus of the German military effort became diverse. Two competing strategies within the German political and military command structure caused this. While political-ideological and economic factors influenced one, purely military concerns influenced the other. In the end, the Germans diluted combat power in phase two towards three operational objectives: Moscow, Leningrad, and the Ukraine. Thus, the research question for this monograph is: Which, if any, of the German operational objectives for the second phase of the campaign were also Soviet operational centers of gravity? The analysis of operational objectives uses Colonel William Mendel’s and Colonel Lamar Tooke’s analytical model called “Operational Logic: Selecting the Center of Gravity.” Potential centers of gravity are analyzed using a validity and a feasibility test. This monograph concludes that Moscow was the operational center of gravity for the campaign by virtue of its direct and intrinsic relationship to the strategic center of gravity—the Soviet Military.
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